Papermaking dryer with pivoting vacuum transfer rolls
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United States of America Statutory Invention Reg
Stats
-
Nov 7, 2000
Grant Date -
N/A
app pub date -
Oct 21, 1996
filing date -
Oct 21, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The top and bottom felts at the web transfer between two dryer sections in a single tier papermaking dryer are spaced by pivoting the vacuum roll over which the felt and web move. The vacuum roll is mounted to two pivot arms which are driven by inflatable air rides to alternately incline the roll toward the downstream felt, forming a sandwich of the two felts and the web, and to a spaced position. The short motion of the vacuum roll allows standard felt stretchers to be used, and permits rapid adjustment of the felt spacing.
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